music: Name the Artist/Band that recorded this song: Jigsaw Puzzle Blues (Kirwan)?

Questions

In the 9th century which city had several thousand bookstores ?

In the period 978-1016 England was ruled by which "Unready" king ?

In the year 2000 which companies CEO was the worlds second richest man ?

In what type of building did Plato and Aristotle teach ?

In what year did China become a communist state ?